PROBLEM TO BE SOLVED: To efficiently supply a culture solution to a plant planted in a medium.SOLUTION: A hydroponic container 1 is provided with a medium 2 with a cut formed therethrough where a plant P is to be planted, a float 3 that supports the medium 2 on a culture solution N stored in a culture solution tank 5, and a capillary water supply body 4 that supplies the culture solution N to the medium 2, wherein the capillary water supply body 4 is suspended into the medium 2 with its upper end inserted in the cut.COPYRIGHT: (C)2014,JPO&INPIT【課題】培地に植え付けられた植物に培養液を効率的に供給する。【解決手段】本発明に係る水耕栽培器1は、植物Pを植え付ける切目が貫通形成された培地2と、培養液タンク5に貯留された培養液Nの上方に培地2を支持するフロート3と、培養液Nを培地2に供給する毛細管給水体4とを備え、毛細管給水体4は、上端が切目に挿入された状態で培地2に垂下されている。【選択図】図1